| Primary satellite | Secondary satellite |
| Name | Cosmos 2278 Rocket | METEOR 2-8 DEB |
| Spacetrack catalog number | 23088 | 36348 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 15 19:24 | 2021 Jan 15 06:09 |
| Time of closest approach (UTC) | 2020 Dec 02 15:10:22.207 |
| Minimum distance | 24.804 km |
| Height difference | 3.581 km |
| Relative speed | 10.953 km/s |
| Angle between velocity vectors | 95° |
| Geographic position | 68.8°N, 89.5°W |
| Height | 856 km |
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